Worked on the salesforce/lwc repository to enhance the reliability and maintainability of integration tests by standardizing test fixture namespaces. Focused on stabilizing the test infrastructure, the developer replaced the previous 'face' namespace with a formal 'x' namespace across all LWC integration test fixtures. This JavaScript-based change addressed inconsistencies in import paths and directory structures, streamlining onboarding for new contributors and reducing confusion in test organization. By aligning with continuous integration expectations and emphasizing component development and testing best practices, the work contributed to long-term test suite stability and improved code readability, even though no new features were introduced during this period.